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podryga [215]
3 years ago
6

A number increases by 10%, and then decreases by 10%. Will the result be greater than, less than, or equal to the original numbe

r? Explain. Let xx represent the number. A 10% increase is equal to x+x+ , or . A 10% decrease of this new number is equal to − 0.1(− 0.1( )), or .
Mathematics
1 answer:
elena-s [515]3 years ago
3 0
Given that the number is x,
10% increase will give us a new number of:
110/100*x
=1.1x
10% decrease will give us a new number of:
90/100*1.1x
=0.99x
This implies the new number is less than the original number 
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